2002 Chevrolet Impala Heating issue

Tiny
MPDONOVAN52
  • MEMBER
  • 2002 CHEVROLET IMPALA
  • 3.4L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 130,000 MILES
The heat will only work occasionally and not get past warm. The temperature gauge will go from right in the middle to the red and back sometimes for a day or so. We have replaced the thermostat, water pump and radiator (pressure test showed a leak in the water pump and then radiator). System has been bled. No leaks are apparent and is now keeping coolant but no heat and erratic gauges.
Thursday, January 9th, 2014 AT 12:00 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Make sure coolant level is full if not pressure check for a blown head gasket. If both heart hoses are hot to touch then check to see if blend door actuator is working. Yu might try pulling the fuse for hvac for 60 seconds with key on and it may reset otherwise it may be bad.
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Thursday, January 9th, 2014 AT 12:07 PM

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